| Richard Dean Anderson | Brigadier General Jack O'Neill |
| Amanda Tapping | Lt. Col. Samantha Carter |
| Christopher Judge | Teal'c |
| Michael Shanks | Dr. Daniel Jackson |
| Charles Shaughnessy | Alec Colson |
| Tom O'Brien | Brian Vogler |
| Kendall Cross | Julia Donovan |
| Chris Shields | Capt. Mike Shefield |
| Ingrid Torrance | Staffer |
| Morris Chapdelaine | Alec Colson's Asgard (puppet) |
| Paul Hooson | Alec Colson's Asgard (puppet) |
| Todd Masters | Alec Colson's Asgard (puppet) |
| David Neale | Alpha Site Soldier |
| Nicholas Podbrey | Thor (puppet) |
| Brad Proctor | Alec Colson's Asgard (puppet) |